Re: [zfs-discuss] Unable to import pool: invalid vdev configuration

Fri, 02 Oct 2009 05:37:53 -0700 

Osvald Ivarsson wrote:

On Thu, Oct 1, 2009 at 7:40 PM, Victor Latushkin
<victor.latush...@sun.com> wrote:

On 01.10.09 17:54, Osvald Ivarsson wrote:

I'm running OpenSolaris build svn_101b. I have 3 SATA disks connected to
my motherboard. The raid, a raidz, which is called "rescamp", has worked
good before until a power failure yesterday. I'm now unable to import the
pool. I can't export the raid, since it isn't imported.

# zpool import rescamp
cannot import 'rescamp': invalid vdev configuration

# zpool import
 pool: rescamp
   id: 12297694211509104163
 state: UNAVAIL
action: The pool cannot be imported due to damaged devices or data.
config:

       rescamp     UNAVAIL  insufficient replicas
         raidz1    UNAVAIL  corrupted data
           c15d0   ONLINE
           c14d0   ONLINE
           c14d1   ONLINE

I've tried using zdb -l on all three disks, but in all cases it failes to
unpack the labels.

# zdb -l /dev/dsk/c14d0
--------------------------------------------
LABEL 0
--------------------------------------------
failed to unpack label 0
--------------------------------------------
LABEL 1
--------------------------------------------
failed to unpack label 1
--------------------------------------------
LABEL 2
--------------------------------------------
failed to unpack label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to unpack label 3

If I run # zdb -l /dev/dsk/c14d0s0 I do find 4 labels, but c14d0, c14d1
and c15d0 is what I created the raid with. I do find labels this way for all
three disks. Is this to any help?

# zdb -l /dev/dsk/c14d1s0
--------------------------------------------
LABEL 0
--------------------------------------------
   version=13
   name='rescamp'
   state=0
   txg=218097573
   pool_guid=12297694211509104163
   hostid=4925114
   hostname='slaskvald'
   top_guid=9479723326726871122
   guid=17774184411399278071
   vdev_tree
       type='raidz'
       id=0
       guid=9479723326726871122
       nparity=1
       metaslab_array=23
       metaslab_shift=34
       ashift=9
       asize=3000574672896
       is_log=0
       children[0]
               type='disk'
               id=0
               guid=9020535344824299914
               path='/dev/dsk/c15d0s0'
               devid='id1,c...@ast31000333as=____________9te0dglf/a'
               phys_path='/p...@0,0/pci-...@11/i...@1/c...@0,0:a'
               whole_disk=1
               DTL=102
       children[1]
               type='disk'
               id=1
               guid=14384361563876398475
               path='/dev/dsk/c14d0s0'
               devid='id1,c...@asamsung_hd103uj=s13pjdws690618/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@0,0:a'
               whole_disk=1
               DTL=216
       children[2]
               type='disk'
               id=2
               guid=17774184411399278071
               path='/dev/dsk/c14d1s0'
               devid='id1,c...@ast31000333as=____________9te0de8w/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@1,0:a'
               whole_disk=1
               DTL=100
--------------------------------------------
LABEL 1
--------------------------------------------
   version=13
   name='rescamp'
   state=0
   txg=218097573
   pool_guid=12297694211509104163
   hostid=4925114
   hostname='slaskvald'
   top_guid=9479723326726871122
   guid=17774184411399278071
   vdev_tree
       type='raidz'
       id=0
       guid=9479723326726871122
       nparity=1
       metaslab_array=23
       metaslab_shift=34
       ashift=9
       asize=3000574672896
       is_log=0
       children[0]
               type='disk'
               id=0
               guid=9020535344824299914
               path='/dev/dsk/c15d0s0'
               devid='id1,c...@ast31000333as=____________9te0dglf/a'
               phys_path='/p...@0,0/pci-...@11/i...@1/c...@0,0:a'
               whole_disk=1
               DTL=102
       children[1]
               type='disk'
               id=1
               guid=14384361563876398475
               path='/dev/dsk/c14d0s0'
               devid='id1,c...@asamsung_hd103uj=s13pjdws690618/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@0,0:a'
               whole_disk=1
               DTL=216
       children[2]
               type='disk'
               id=2
               guid=17774184411399278071
               path='/dev/dsk/c14d1s0'
               devid='id1,c...@ast31000333as=____________9te0de8w/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@1,0:a'
               whole_disk=1
               DTL=100
--------------------------------------------
LABEL 2
--------------------------------------------
   version=13
   name='rescamp'
   state=0
   txg=218097573
   pool_guid=12297694211509104163
   hostid=4925114
   hostname='slaskvald'
   top_guid=9479723326726871122
   guid=17774184411399278071
   vdev_tree
       type='raidz'
       id=0
       guid=9479723326726871122
       nparity=1
       metaslab_array=23
       metaslab_shift=34
       ashift=9
       asize=3000574672896
       is_log=0
       children[0]
               type='disk'
               id=0
               guid=9020535344824299914
               path='/dev/dsk/c15d0s0'
               devid='id1,c...@ast31000333as=____________9te0dglf/a'
               phys_path='/p...@0,0/pci-...@11/i...@1/c...@0,0:a'
               whole_disk=1
               DTL=102
       children[1]
               type='disk'
               id=1
               guid=14384361563876398475
               path='/dev/dsk/c14d0s0'
               devid='id1,c...@asamsung_hd103uj=s13pjdws690618/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@0,0:a'
               whole_disk=1
               DTL=216
       children[2]
               type='disk'
               id=2
               guid=17774184411399278071
               path='/dev/dsk/c14d1s0'
               devid='id1,c...@ast31000333as=____________9te0de8w/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@1,0:a'
               whole_disk=1
               DTL=100
--------------------------------------------
LABEL 3
--------------------------------------------
   version=13
   name='rescamp'
   state=0
   txg=218097573
   pool_guid=12297694211509104163
   hostid=4925114
   hostname='slaskvald'
   top_guid=9479723326726871122
   guid=17774184411399278071
   vdev_tree
       type='raidz'
       id=0
       guid=9479723326726871122
       nparity=1
       metaslab_array=23
       metaslab_shift=34
       ashift=9
       asize=3000574672896
       is_log=0
       children[0]
               type='disk'
               id=0
               guid=9020535344824299914
               path='/dev/dsk/c15d0s0'
               devid='id1,c...@ast31000333as=____________9te0dglf/a'
               phys_path='/p...@0,0/pci-...@11/i...@1/c...@0,0:a'
               whole_disk=1
               DTL=102
       children[1]
               type='disk'
               id=1
               guid=14384361563876398475
               path='/dev/dsk/c14d0s0'
               devid='id1,c...@asamsung_hd103uj=s13pjdws690618/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@0,0:a'
               whole_disk=1
               DTL=216
       children[2]
               type='disk'
               id=2
               guid=17774184411399278071
               path='/dev/dsk/c14d1s0'
               devid='id1,c...@ast31000333as=____________9te0de8w/a'
               phys_path='/p...@0,0/pci-...@11/i...@0/c...@1,0:a'
               whole_disk=1
               DTL=100

Any idea what to do?

Please have a look at this message

http://www.opensolaris.org/jive/message.jspa?messageID=420146#420146

victor



prtvtoc gives the following:

# prtvtoc /dev/rdsk/c14d0s0
* /dev/rdsk/c14d0s0 partition map
*
* Dimensions:
*     512 bytes/sector
* 1953520128 sectors
* 1953520061 accessible sectors
*
* Flags:
*   1: unmountable
*  10: read-only
*
* Unallocated space:
*       First     Sector    Last
*       Sector     Count    Sector
*          34       222       255
*
*                          First     Sector    Last
* Partition  Tag  Flags    Sector     Count    Sector  Mount Directory
       0      4    00        256 1953503455 1953503710
       8     11    00  1953503711     16384 1953520094


Can you post prtvtoc output for other two disks?

victor




I've read the thread, and in it there's an advice to either:

1. Restore original labeling on the c7d0 disk

2. Remove (physically or logically) disk c7d0

And well, I'd have to remove all three disks if I used the second
advice, since they all have missing labels on c14d0 identically. Which
leaves me with restoring the original labeling. How do I do this? What
actually prevents zfs from importing my pool?

Thank you!
/Osvald Ivarsson


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